Mike Ashmore, left, and Philip Romero, Eco Wash Team members from Pratt & Whitney, Dallas, Tex., install the wash hose of an ECO System to the front of a CFM International CFM56 engine (F108 military designation) on a KC-135R Stratotanker at Scott AFB, Ill., on August 24, 2011. The hose sprays water through the engine and washes off deposits and build ups. A June 2012 test report will help leaders analyze the value of an eventual Air Force-wide engine water washing program for select engines. The engine washing is expected to reduce the Exhaust Gas Temperature (EGT) margin by 5-6 degrees resulting in fuel savings and longer engine life. (U.S. AF photo by Master Sgt. Ken Stephens) (Released)